\select@language {german} \contentsline {section}{\numberline {1}Geschichte}{4} \contentsline {subsection}{\numberline {1.1}Open Source Grundgedanke}{4} \contentsline {subsection}{\numberline {1.2}Das GNU Projekt}{4} \contentsline {subsection}{\numberline {1.3}Der Hurd Kernel}{5} \contentsline {subsection}{\numberline {1.4}BSD}{5} \contentsline {subsection}{\numberline {1.5}Linux}{6} \contentsline {subsection}{\numberline {1.6}Apache}{6} \contentsline {section}{\numberline {2}Open-Source-Lizenzen}{8} \contentsline {subsection}{\numberline {2.1}GPL - GNU General Public License}{9} \contentsline {subsection}{\numberline {2.2}LGPL - Lesser General Public License}{9} \contentsline {subsection}{\numberline {2.3}BSD - Berkeley Software Distribution}{10} \contentsline {subsection}{\numberline {2.4}Apache}{10} \contentsline {subsection}{\numberline {2.5}Q Public License (QPL)}{10} \contentsline {section}{\numberline {3}Funktioniert Freie Software \"uberall?}{12} \contentsline {subsection}{\numberline {3.1}Office, E-Mail und Co.}{12} \contentsline {subsection}{\numberline {3.2}Server-Software}{12} \contentsline {subsection}{\numberline {3.3}High-End-Software}{13} \contentsline {subsection}{\numberline {3.4}Spiele}{13} \contentsline {section}{\numberline {4}Gefahren f\"ur freie Software}{16} \contentsline {subsection}{\numberline {4.1}Patente}{16} \contentsline {subsubsection}{\numberline {4.1.1}Das europ\"aische Patentrecht}{16} \contentsline {subsubsection}{\numberline {4.1.2}Patentpraxis in den U.S.A.}{17} \contentsline {section}{\numberline {5}Freie Software an Schulen}{19} \contentsline {section}{\numberline {6}Businessmodelle}{20} \contentsline {subsection}{\numberline {6.1}Distributoren}{20} \contentsline {subsection}{\numberline {6.2}Support}{20} \contentsline {subsection}{\numberline {6.3}Kleine Unternehmen}{21} \contentsline {subsection}{\numberline {6.4}Subscription-Modell}{21} \contentsline {subsection}{\numberline {6.5}Verz\"ogerte Releases}{22} \contentsline {subsection}{\numberline {6.6}Fazit}{23} \contentsline {subsection}{\numberline {6.7}Nachteile Freier Software}{24} \contentsline {subsubsection}{\numberline {6.7.1}Innovationsarmut}{24} \contentsline {subsubsection}{\numberline {6.7.2}Useability}{24} \contentsline {subsection}{\numberline {6.8}Maintaince}{24} \contentsline {subsection}{\numberline {6.9}Neue Technik}{25} \contentsline {section}{\numberline {7}Zukunft}{26} \contentsline {subsection}{\numberline {7.1}Informationsgesellschaft}{27}